code: def test_training_with_ndarray(self):
      keras_model = self.create_model()
      model = KerasModel(keras_model)
  
      x, y = self.create_training_data()
  
      model.fit(x, y, batch_size=2)
  
imports: import pytest
  from bigdl.orca.test_zoo_utils import ZooTestCase
  import tensorflow
  import numpy
  import os
  from bigdl.orca.tfpark import KerasModel, TFDataset, TFOptimizer
label_desc: Use image node_id 8 for calling the TestTFParkModel obj's underlying member method code with example usage: obj.test_training_with_ndarray() without return types